JP5759209B2 - ズームレンズ及びそれを有する撮像装置 - Google Patents

ズームレンズ及びそれを有する撮像装置 Download PDF

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Publication number
JP5759209B2
JP5759209B2 JP2011047422A JP2011047422A JP5759209B2 JP 5759209 B2 JP5759209 B2 JP 5759209B2 JP 2011047422 A JP2011047422 A JP 2011047422A JP 2011047422 A JP2011047422 A JP 2011047422A JP 5759209 B2 JP5759209 B2 JP 5759209B2
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JP
Japan
Prior art keywords
lens
lens group
focal length
positive
object side
Prior art date
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JP2011047422A
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English (en)
Japanese (ja)
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JP2012185272A (ja
JP2012185272A5 (enExample
Inventor
坂本　勝
勝 坂本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
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Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP2011047422A priority Critical patent/JP5759209B2/ja
Priority to US13/407,297 priority patent/US8456746B2/en
Publication of JP2012185272A publication Critical patent/JP2012185272A/ja
Publication of JP2012185272A5 publication Critical patent/JP2012185272A5/ja
Application granted granted Critical
Publication of JP5759209B2 publication Critical patent/JP5759209B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
    • G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
    • G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
    • G02B15/17—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +--
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/22—Telecentric objectives or lens systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/02—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective
    • G02B15/10—Optical objectives with means for varying the magnification by changing, adding, or subtracting a part of the objective, e.g. convertible objective by adding a part, e.g. close-up attachment
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B15/00—Optical objectives with means for varying the magnification
    • G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
    • G02B15/144—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only
    • G02B15/1441—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive
    • G02B15/144109—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having four groups only the first group being positive arranged +--+

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Lenses (AREA)
  • Structure And Mechanism Of Cameras (AREA)
JP2011047422A 2011-03-04 2011-03-04 ズームレンズ及びそれを有する撮像装置 Active JP5759209B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011047422A JP5759209B2 (ja) 2011-03-04 2011-03-04 ズームレンズ及びそれを有する撮像装置
US13/407,297 US8456746B2 (en) 2011-03-04 2012-02-28 Zoom lens and image pickup apparatus including the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011047422A JP5759209B2 (ja) 2011-03-04 2011-03-04 ズームレンズ及びそれを有する撮像装置

Publications (3)

Publication Number Publication Date
JP2012185272A JP2012185272A (ja) 2012-09-27
JP2012185272A5 JP2012185272A5 (enExample) 2014-04-10
JP5759209B2 true JP5759209B2 (ja) 2015-08-05

Family

ID=46753146

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011047422A Active JP5759209B2 (ja) 2011-03-04 2011-03-04 ズームレンズ及びそれを有する撮像装置

Country Status (2)

Country Link
US (1) US8456746B2 (enExample)
JP (1) JP5759209B2 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107229112A (zh) * 2016-03-25 2017-10-03 富士胶片株式会社 后置增距镜及摄像装置

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013065288A1 (ja) * 2011-11-04 2013-05-10 富士フイルム株式会社 ズームレンズおよび撮像装置
JP5409841B2 (ja) * 2012-05-17 2014-02-05 キヤノン株式会社 光学系及びそれを有する撮像装置
JP6270340B2 (ja) * 2013-05-23 2018-01-31 株式会社タムロン ズームレンズ及び撮像装置
US9402031B2 (en) * 2013-08-08 2016-07-26 Canon Kabushiki Kaisha Zoom lens and image pickup apparatus having the same
US9195036B2 (en) 2013-08-09 2015-11-24 Ricoh Company, Ltd. Zoom lens, camera, and portable information device
US9459434B2 (en) 2013-08-28 2016-10-04 Ricoh Company, Ltd. Zoom lens and imaging apparatus
US9470881B2 (en) 2013-10-25 2016-10-18 Ricoh Company, Ltd. Zoom lens and imaging device using zoom lens
JP6529215B2 (ja) * 2013-11-12 2019-06-12 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
US9638901B2 (en) 2014-01-27 2017-05-02 Ricoh Company, Ltd. Zoom lens and imaging device using the same
JP6129766B2 (ja) * 2014-02-26 2017-05-17 富士フイルム株式会社 ズームレンズおよび撮像装置
JP6433259B2 (ja) * 2014-11-18 2018-12-05 キヤノン株式会社 ズームレンズ、エクステンダレンズ群、および撮像装置
JP6643024B2 (ja) * 2015-09-30 2020-02-12 キヤノン株式会社 エクステンダレンズ群、ズームレンズおよび撮像装置
CN108713158B (zh) 2016-03-16 2019-07-23 富士胶片株式会社 扩束透镜及摄像装置
JP2017181577A (ja) * 2016-03-28 2017-10-05 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP7379017B2 (ja) * 2019-08-20 2023-11-14 キヤノン株式会社 エクステンダレンズ群、ズームレンズ、および撮像装置
CN110989137B (zh) * 2019-12-20 2022-03-11 东莞市普密斯精密仪器有限公司 一种双远心镜头
CN111538145B (zh) * 2020-05-12 2022-08-16 Oppo广东移动通信有限公司 变焦镜头、相机模组和电子装置
JP2023096731A (ja) * 2021-12-27 2023-07-07 キヤノン株式会社 ズームレンズ及び撮像装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3144130B2 (ja) * 1993-02-25 2001-03-12 キヤノン株式会社 ズームレンズ
JPH1062686A (ja) 1996-08-19 1998-03-06 Fuji Photo Optical Co Ltd インナーフォーカシングタイプのズームレンズ
US6560016B2 (en) 2000-03-31 2003-05-06 Canon Kabushiki Kaisha Zoom lens and photographing apparatus using the same
JP4298241B2 (ja) * 2002-08-30 2009-07-15 キヤノン株式会社 ズームレンズ装置
JP4405212B2 (ja) * 2003-09-09 2010-01-27 フジノン株式会社 広角ズームレンズ
JP4557585B2 (ja) * 2004-03-31 2010-10-06 キヤノン株式会社 ズームレンズおよび撮影システム
JP5489480B2 (ja) * 2009-01-30 2014-05-14 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP5455403B2 (ja) * 2009-03-18 2014-03-26 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置
JP5344605B2 (ja) * 2009-08-17 2013-11-20 キヤノン株式会社 ズームレンズ及びそれを有する撮像装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107229112A (zh) * 2016-03-25 2017-10-03 富士胶片株式会社 后置增距镜及摄像装置
CN107229112B (zh) * 2016-03-25 2020-08-04 富士胶片株式会社 后置增距镜及摄像装置

Also Published As

Publication number Publication date
US8456746B2 (en) 2013-06-04
US20120224269A1 (en) 2012-09-06
JP2012185272A (ja) 2012-09-27

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